diff -r 1a6714c53019 -r cce62ebc198e radioengine/utils/api/mradiosystemeventobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioengine/utils/api/mradiosystemeventobserver.h	Tue Aug 31 15:15:02 2010 +0300
@@ -0,0 +1,59 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef MRADIOSYSTEMEVENTOBSERVER_H
+#define MRADIOSYSTEMEVENTOBSERVER_H
+
+// Data types
+
+/** Type of system event */
+enum TRadioSystemEventType
+    {
+    ERadioHeadsetConnected,         ///< Headset was connected
+    ERadioHeadsetDisconnected,      ///< Headset was disconnected
+    ERadioNetworkCoverageUp,        ///< Network coverage detected
+    ERadioNetworkCoverageDown,      ///< Network coverage lost
+    ERadioCallActivated,            ///< Call activated or ringing
+    ERadioCallDeactivated,          ///< Call disconnected
+    ERadioEmergencyCallActivated,   ///< Call activated or ringing
+    ERadioEmergencyCallDeactivated, ///< Call disconnected
+    ERadioLowDiskSpace,             ///< Low disk space
+    ERadioAudioRouteHeadset,        ///< Audio routed through headset
+    ERadioAudioRouteSpeaker,        ///< Audio routed through speaker ( IHF )
+    ERadioAudioResourcesAvailable,  ///< Audio resources have become available
+    ERadioAudioAutoResumeForbidden  ///< Audio auto resuming is forbidden
+    };
+
+
+/**
+ * Observer for any system event state change.
+ */
+NONSHARABLE_CLASS( MRadioSystemEventObserver )
+    {
+public:
+
+    /**
+     * Called when system event occurs.
+     * @param aEventType Type of the event
+     */
+    virtual void HandleSystemEventL( TRadioSystemEventType aEventType ) = 0;
+
+    };
+
+#endif // MRADIOSYSTEMEVENTOBSERVER_H
+
+